159657320

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20681}}^1$

素因数の和:20885

約数の個数: 32

約数和(自身を含む): 361107720

約数和(自身を除く): 201450400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 20681, 41362, 82724, 103405, 165448, 206810, 413620, 827240, 3991433, 7982866, 15965732, 19957165, 31931464, 39914330, 79828660, 159657320]

約数ペア:

[(1, 159657320), (2, 79828660), (4, 39914330), (5, 31931464), (8, 19957165), (10, 15965732), (20, 7982866), (40, 3991433), (193, 827240), (386, 413620), (772, 206810), (965, 165448), (1544, 103405), (1930, 82724), (3860, 41362), (7720, 20681)]